With the help of vapour pressure-temperature curves for solution and solvent, explain why boiling point of solvent is elevated when a nonvolatile solute is dissolved into it

How is the vapour pressure of a solvent affected when a non volatile solute is dissolved in it?

When a solute is dissolved in a solvent

Explain with vapour pressure-temperature curves that the freezing point of a solvent is lowered by dissolving a nonvolatile solute into it. Give reason for such lowering of freezing of solvent

Give two points to explain why vapour pressure of solvent is lowered by dissolving nonvolatile solute into it.

Vapour pressure of a solvent containing nonvolatile solute is:

The boiling point of solution is ……..than the boiling point of pure solvent.